CN101167247B - 弹性边界波装置 - Google Patents

弹性边界波装置 Download PDF

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Publication number
CN101167247B
CN101167247B CN2006800140689A CN200680014068A CN101167247B CN 101167247 B CN101167247 B CN 101167247B CN 2006800140689 A CN2006800140689 A CN 2006800140689A CN 200680014068 A CN200680014068 A CN 200680014068A CN 101167247 B CN101167247 B CN 101167247B
Authority
CN
China
Prior art keywords
mentioned
electrode
filter
acoustic wave
comb shape
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2006800140689A
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English (en)
Chinese (zh)
Other versions
CN101167247A (zh
Inventor
神藤始
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of CN101167247A publication Critical patent/CN101167247A/zh
Application granted granted Critical
Publication of CN101167247B publication Critical patent/CN101167247B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/25—Constructional features of resonators using surface acoustic waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/0023—Balance-unbalance or balance-balance networks
    • H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
    • H03H9/0047—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks
    • H03H9/0066—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically parallel
    • H03H9/0071—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically parallel the balanced terminals being on the same side of the tracks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/0222—Details of interface-acoustic, boundary, pseudo-acoustic or Stonely wave devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02543—Characteristics of substrate, e.g. cutting angles
    • H03H9/02559—Characteristics of substrate, e.g. cutting angles of lithium niobate or lithium-tantalate substrates
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6489—Compensation of undesirable effects
    • H03H9/6493—Side lobe suppression
CN2006800140689A 2005-05-16 2006-04-25 弹性边界波装置 Expired - Fee Related CN101167247B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP142839/2005 2005-05-16
JP2005142839 2005-05-16
PCT/JP2006/308597 WO2006123518A1 (ja) 2005-05-16 2006-04-25 弾性境界波装置

Publications (2)

Publication Number Publication Date
CN101167247A CN101167247A (zh) 2008-04-23
CN101167247B true CN101167247B (zh) 2012-02-29

Family

ID=37431097

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2006800140689A Expired - Fee Related CN101167247B (zh) 2005-05-16 2006-04-25 弹性边界波装置

Country Status (6)

Country Link
US (1) US7394336B2 (ko)
EP (1) EP1883157A4 (ko)
JP (1) JP4665965B2 (ko)
KR (1) KR100889231B1 (ko)
CN (1) CN101167247B (ko)
WO (1) WO2006123518A1 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6354839B2 (ja) * 2014-04-11 2018-07-11 株式会社村田製作所 弾性波フィルタ装置
JP6465065B2 (ja) * 2016-04-25 2019-02-06 株式会社村田製作所 弾性波装置
WO2018056056A1 (ja) * 2016-09-21 2018-03-29 株式会社村田製作所 弾性波装置、高周波フロントエンド回路および通信装置
WO2018135538A1 (ja) 2017-01-19 2018-07-26 株式会社村田製作所 高周波フィルタ、高周波フロントエンド回路、および通信装置
WO2018139320A1 (ja) 2017-01-30 2018-08-02 株式会社村田製作所 高周波フィルタ、高周波フロントエンド回路及び通信装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1331513A (zh) * 2000-06-27 2002-01-16 株式会社村田制作所 表面声波装置
JP2002111444A (ja) * 2000-09-29 2002-04-12 Toyo Commun Equip Co Ltd 複合弾性表面波フィルタ
WO2004070946A1 (ja) * 2003-02-10 2004-08-19 Murata Manufacturing Co., Ltd. 弾性境界波装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5830217A (ja) 1981-08-17 1983-02-22 Hitachi Ltd 弾性波装置
JPS645113A (en) 1987-06-29 1989-01-10 Hitachi Ltd Surface acoustic wave device
JP3291860B2 (ja) 1993-09-02 2002-06-17 株式会社村田製作所 縦型二重モード弾性表面波フィルタ
JPH07273597A (ja) 1994-03-29 1995-10-20 Oki Electric Ind Co Ltd 共振器型弾性表面波フィルタ
JPH07283688A (ja) 1994-04-07 1995-10-27 Matsushita Electric Ind Co Ltd 弾性表面波フィルター
DE69836719T2 (de) * 1997-05-08 2007-10-04 Kabushiki Kaisha Toshiba, Kawasaki Elastische oberflächenwellenvorrichtung und verfahren zu deren herstellung
JP2000114917A (ja) 1998-09-30 2000-04-21 Kyocera Corp バランス型弾性表面波フィルタ
JP2002111443A (ja) * 2000-09-29 2002-04-12 Toyo Commun Equip Co Ltd 複合弾性表面波フィルタ
JP2002330055A (ja) 2001-04-27 2002-11-15 Tdk Corp 表面弾性波フィルタ、表面弾性波フィルタ用パッケージ及び表面弾性波フィルタモジュール
JP3952907B2 (ja) * 2002-08-28 2007-08-01 株式会社村田製作所 弾性表面波装置、通信装置
JP2004140738A (ja) 2002-10-21 2004-05-13 Toyo Commun Equip Co Ltd 弾性表面波フィルタ
DE10325281B4 (de) * 2003-06-04 2018-05-17 Snaptrack, Inc. Elektroakustisches Bauelement und Verfahren zur Herstellung
JP2005033246A (ja) 2003-07-07 2005-02-03 Matsushita Electric Ind Co Ltd Ｓａｗフィルタとそれを用いた電子デバイス

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1331513A (zh) * 2000-06-27 2002-01-16 株式会社村田制作所 表面声波装置
JP2002111444A (ja) * 2000-09-29 2002-04-12 Toyo Commun Equip Co Ltd 複合弾性表面波フィルタ
WO2004070946A1 (ja) * 2003-02-10 2004-08-19 Murata Manufacturing Co., Ltd. 弾性境界波装置

Also Published As

Publication number Publication date
JP4665965B2 (ja) 2011-04-06
EP1883157A1 (en) 2008-01-30
WO2006123518A1 (ja) 2006-11-23
US7394336B2 (en) 2008-07-01
US20080042781A1 (en) 2008-02-21
EP1883157A4 (en) 2008-10-08
CN101167247A (zh) 2008-04-23
KR20080002946A (ko) 2008-01-04
KR100889231B1 (ko) 2009-03-17
JPWO2006123518A1 (ja) 2008-12-25

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120229

Termination date: 20170425

CF01 Termination of patent right due to non-payment of annual fee